<template>
  <div>
    <!-- 图片上传组件辅助 -->
    <!-- <el-upload :action="uploadImgUrl" ref="uploadFileImage" :data="imgCol" :before-upload="handleBeforeUpload"
      :on-success="handleUploadSuccess" :on-error="uploadError" name="file" :show-file-list="false" :headers="headers"
      style="display: none" /> -->
    <el-upload action="" ref="uploadFileImage" :data="imgCol" :auto-upload="false"
      :on-change="(file) => { handleUploadSuccess(file, 'image') }" :on-remove="handleRemove" accept=".png,.jpg,.jpeg"
      style="display: none" name="file" :show-file-list="false" />
    <!--视频上传组件辅助 -->
    <!-- <el-upload :action="uploadImgUrl" ref="uploadFileVideo" :data="imgColVideo" :before-upload="handleBeforeUploadVideo"
      :on-success="handleUploadSuccessVideo" :on-error="handleUploadErrorVideo" name="file" :show-file-list="false"
      :headers="headers" style="display: none" /> -->
    <el-upload action="" ref="uploadFileVideo" :data="imgColVideo" :auto-upload="false"
      :on-change="(file) => { handleUploadSuccess(file, 'video') }" :on-remove="handleRemove"
      accept=".mp4, .avi, .mpg, .rmvb" style="display: none" name="file" :show-file-list="false" />
    <!-- 富文本组件 -->
    <!-- <quill-editor :id="randomString(3)" class="editor" v-model="content" :ref="toref" :options="editorOption"
          @blur="onEditorBlur($event)" @focus="onEditorFocus($event)" @change="onEditorChange($event)"></quill-editor> -->
    <quill-editor class="editor" v-model="content" ref="toref" :options="editorOption" @blur="onEditorBlur($event)"
      @focus="onEditorFocus($event)" @change="onEditorChange($event)" v-loading="quillUpdateImg" :disabled="disabled">
    </quill-editor>
  </div>
</template>

<script>

import fileApi from '@/api/module/file' //文件上传api
import config from '@/api/config'
import ImageResize from 'quill-image-resize-module'
import 'quill/dist/quill.core.css'
import 'quill/dist/quill.snow.css'
import 'quill/dist/quill.bubble.css'
Quill.register('modules/imageResize', ImageResize)
import { quillEditor } from 'vue-quill-editor'

// 自定义字体大小
let Size = Quill.import('attributors/style/size')
Size.whitelist = ['10px', '12px', '14px', '16px', '18px', '20px']
Quill.register(Size, true)

// 自定义字体类型
var fonts = ['SimSun', 'SimHei', 'Microsoft-YaHei', 'KaiTi', 'FangSong', 'Arial', 'Times-New-Roman', 'sans-serif']
var Font = Quill.import('formats/font')
Font.whitelist = fonts // 将字体加入到白名单
Quill.register(Font, true)

//视频标签插入（样式保持宽度100%）
import video from '../../utils/video'
Quill.register(video, true)
export default {
  props: {
    /* 编辑器的内容 */
    value: {
      type: String
    },
    /* 图片大小 */
    maxSize: {
      type: Number,
      default: 4000 //kb
    },
    quillIndex: {
      type: Number,
      default: 0
    },
    toref: {
      type: String,
      default: "quillEditor"
    },
    disabled: {
      type: Boolean,
      default: false
    },
  },
  components: { quillEditor },
  data () {
    return {
      content: this.value,
      editorOption: {
        placeholder: '输入文本...',
        theme: 'snow', //主题
        modules: {
          imageResize: {   //添加图片拖拽上传，自定义大小（下面会详细介绍安装方法）
            displayStyles: {   //添加
              backgroundColor: 'black',
              border: 'none',
              color: 'white'
            },
            modules: ['Resize', 'DisplaySize', 'Toolbar']   //添加
          },
          toolbar: {
            container: [
              // [{ 'font':fonts }],
              ['bold', 'italic', 'underline', 'strike'],    //加粗，斜体，下划线，删除线
              ['blockquote', 'code-block'],     //引用，代码块
              [{ 'header': 1 }, { 'header': 2 }],        // 标题，键值对的形式；1、2表示字体大小
              [{ 'list': 'ordered' }, { 'list': 'bullet' }],     //列表
              [{ 'script': 'sub' }, { 'script': 'super' }],   // 上下标
              [{ 'indent': '-1' }, { 'indent': '+1' }],     // 缩进
              [{ 'direction': 'rtl' }],             // 文本方向
              // [{ 'size':Size }], // 字体大小，false设置自定义大小
              [{ 'header': [1, 2, 3, 4, 5, 6, false] }],     //几级标题
              [{ 'color': [] }, { 'background': [blur()] }],     // 字体颜色，字体背景颜色
              // [{ 'font': fonts }],     //字体
              [{ 'align': [] }],    //对齐方式
              ['clean'],    //清除字体样式
              ['image', 'video']    //上传图片、上传视频
            ],
            handlers: {
              video: this.handelVideo,
              image: this.handelImage,
            }
          }
        }
      },
      quillUpdateImg: false, // 根据图片上传状态来确定是否显示loading动画，刚开始是false,不显示
      imgCol: {
        //图片传递的参数
      },
      imgColVideo: {
        //视频传递的参数
      },
      uploadImgUrl: '', // 上传的图片服务器地址
      headers: {
        //登录成功后的token字段，没有可以不用传
      },

    };
  },
  watch: {
    value: function () {
      this.content = this.value;
    }
  },
  methods: {
    handleRemove (file, fileList) {
      console.log(file)
    },
    handleChangeUpload (file, fileList) {
      console.log(file)
    },
    onEditorBlur () {
      //失去焦点事件
    },
    onEditorFocus () {
      //获得焦点事件
    },
    onEditorChange () {
      //内容改变事件
      this.$emit("input", this.content);
    },
    handelVideo () {
      //自定义上传视频事件

      this.uploadType = "video";
      this.$nextTick(() => {
        this.$refs.uploadFileVideo.$children[0].$refs.input.click();
      });
    },
    handelImage () {
      this.uploadType = "image";
      this.$nextTick(() => {
        this.$refs.uploadFileImage.$children[0].$refs.input.click();
      });
    },
    // 上传前校检格式和大小
    handleBeforeUpload (file) {
      this.quillUpdateImg = true
      // console.log(file)
      if (this.uploadType === "image") {
        let regArr = [".gif", ".jpg", ".jpeg", ".png"];
        let lastName = file.name.slice(file.name.indexOf("."));
        if (regArr.indexOf(lastName) == -1) {
          this.$message.error(`仅支持.gif/.jpg/.jpeg/.png格式!`);
          this.quillUpdateImg = false
          return false;
        }
      }
    },
    async getFileId (file) {
      let fileId = null
      let fd = new FormData();
      fd.append("file", file.raw)
      console.log(fd, 'fd')
      await fileApi.fileUpload({ fd, moduleType: 'SCIENCE_ARTICLE' }).then(res => {
        fileId = res.data.fileId
      }).catch(err => {
        console.log('出错了', err)
      });
      console.log(fileId)
      return fileId
    },
    async handleUploadSuccess (file, flag) {
      console.log(file)
      // // 获取富文本组件实例
      let quill = this.$refs.toref.quill
      // 如果上传成功myQuillEditor
      let fileUrl = config.webServiceUrl + '/ftp/file/download?fileId=' + await this.getFileId(file);
      // 获取光标所在位置
      let length = quill.getSelection().index;
      if (flag == 'image') {
        // 插入图片  res.info为服务器返回的图片地址
        quill.insertEmbed(length, 'image', fileUrl)
      } else if (flag == 'video') {
        quill.insertEmbed(length, 'video', {
          url: fileUrl,
          controls: 'controls',
          width: '100%',
          height: 'auto'
        })
      }
      // 调整光标到最后
      quill.setSelection(length + 1)
      this.quillUpdateImg = false
    },
    uploadError () {
      if (this.uploadType != "image") {
        this.$message.error("图片插入失败!");
      }
    },
    // 上传前校检格式和大小
    handleBeforeUploadVideo (file) {
      this.quillUpdateImg = true
      console.log(file)
      if (this.uploadType === "video") {
        let acceptType = [
          "mp4",
          "avi",
          "mpg",
          "rmvb",
        ];
        let isVideo = null;
        acceptType.some((d) => {
          if (file.type.includes(d)) {
            isVideo = true;
          }
        });
        if (!isVideo) {
          this.$message.error(
            "上传视频只能是  mp4, avi, mpg, rmvb格式!"
          );
          this.quillUpdateImg = false
          return false;
        }
        return true;
      }
    },
    handleUploadSuccessVideo (res, file) {
      // console.log(res.data.fileUrl)
      // // 获取富文本组件实例
      let quill = this.$refs.toref.quill
      // 如果上传成功
      if (res.status == '0') {
        // 获取光标所在位置
        // let length = quill.getSelection().index;
        if (this.uploadType === "video") {
          let length = quill.getSelection().index;
          // 插入图片res.url为服务器返回的地址
          quill.insertEmbed(length, 'video', {
            url: res.data.fileUrl,
            controls: 'controls',
            width: '100%',
            height: 'auto'
          })
        }
        // // 调整光标到最后
        quill.setSelection(length + 1);
        this.$message.success(res.data.msg)
      } else {
        this.$message.error("插入失败");
      }
      this.quillUpdateImg = false
    },
    handleUploadErrorVideo () {
      if (this.uploadType != "video") {
        this.$message.error("视频插入失败!");
      }
    },
  }
};
</script>

<style lang="scss" scoped></style>
